body{
	margin:0px;
	padding:0px;
	font-family:"arial", courier;	
}

#div_main_outer{
	text-align:center;
}

#div_main_top{
	height:30px;
	width:100%;
	background-color:blue;
}

#div_main_left{
	float:left;
	width:200px;
	text-align:center;	
	background-color:green;
}

.main_left_inner{
	width:200px;
}

#div_main_right{
	float:left;
}

.main_right_inner{
	width:500px;
}

